Usage patterns
いかにも〈人〉らしいso typical of ~; just like ~
Being late and not apologizing—that's so typical of him.
いかにもその通りだexactly right; that's absolutely so
"It's his fault." "Absolutely, that's exactly right."
いかにも〈事〉そうな顔をするto look as if / to have a face that clearly shows (some feeling)
He had a look on his face that clearly showed he was in trouble.